Removed a repeated test and changed tests to not use uncommons jar

core/src/test/scala/org/apache/spark/FileServerSuite.scala

@@ -17,15 +17,46 @@
 
 package org.apache.spark
 
+import java.io._
+import java.util.jar.{JarEntry, JarOutputStream}
+
+import SparkContext._
 import com.google.common.io.Files
 import org.scalatest.FunSuite
-import java.io.{File, PrintWriter, FileReader, BufferedReader}
-import SparkContext._
 
 class FileServerSuite extends FunSuite with LocalSparkContext {
 
   @transient var tmpFile: File = _
-  @transient var testJarFile: File = _
+  @transient var testJarFile: String = _
+
+
+  override def beforeAll() {
+    super.beforeAll()
+    val buffer = new Array[Byte](10240)
+    val tmpdir = new File(Files.createTempDir(), "test")
+    tmpdir.mkdir()
+    val tmpJarEntry = new File(tmpdir, "FileServerSuite2.txt")
+    val pw = new PrintWriter(tmpJarEntry)
+    pw.println("test String in the file named FileServerSuite2.txt")
+    pw.close()
+    // The ugliest code possible, was translated from java.
+    val tmpFile2 = new File(tmpdir, "test.jar")
+    val stream = new FileOutputStream(tmpFile2)
+    val jar = new JarOutputStream(stream, new java.util.jar.Manifest())
+    val jarAdd = new JarEntry(tmpJarEntry.getName)
+    jarAdd.setTime(tmpJarEntry.lastModified)
+    jar.putNextEntry(jarAdd)
+    val in = new FileInputStream(tmpJarEntry)
+    var nRead = 0
+      while (nRead <= 0) {
+      nRead = in.read(buffer, 0, buffer.length)
+      jar.write(buffer, 0, nRead)
+    }
+    in.close()
+    jar.close()
+    stream.close()
+    testJarFile = tmpFile2.getAbsolutePath
+  }
 
   override def beforeEach() {
     super.beforeEach()
@@ -75,20 +106,15 @@ class FileServerSuite extends FunSuite with LocalSparkContext {
     assert(result.toSet === Set((1,200), (2,300), (3,500)))
   }
 
-  ignore ("Dynamically adding JARS locally") {
+  test ("Dynamically adding JARS locally") {
     sc = new SparkContext("local[4]", "test")
-    val sampleJarFile = getClass.getClassLoader.getResource("uncommons-maths-1.2.2.jar").getFile()
-    sc.addJar(sampleJarFile)
-    val testData = Array((1,1), (1,1), (2,1), (3,5), (2,3), (3,0))
-    val result = sc.parallelize(testData).reduceByKey { (x,y) =>
-      val fac = Thread.currentThread.getContextClassLoader()
-                                    .loadClass("org.uncommons.maths.Maths")
-                                    .getDeclaredMethod("factorial", classOf[Int])
-      val a = fac.invoke(null, x.asInstanceOf[java.lang.Integer]).asInstanceOf[Long].toInt
-      val b = fac.invoke(null, y.asInstanceOf[java.lang.Integer]).asInstanceOf[Long].toInt
-      a + b
-    }.collect()
-    assert(result.toSet === Set((1,2), (2,7), (3,121)))
+    sc.addJar(testJarFile)
+    val testData = Array((1, 1))
+    sc.parallelize(testData).foreach { (x) =>
+      if (Thread.currentThread.getContextClassLoader.getResource("FileServerSuite2.txt") == null) {
+        throw new SparkException("jar not added")
+      }
+    }
   }
 
   test("Distributing files on a standalone cluster") {
@@ -105,35 +131,15 @@ class FileServerSuite extends FunSuite with LocalSparkContext {
     assert(result.toSet === Set((1,200), (2,300), (3,500)))
   }
 
-  ignore ("Dynamically adding JARS on a standalone cluster") {
+  test ("Dynamically adding JARS on a standalone cluster") {
     sc = new SparkContext("local-cluster[1,1,512]", "test")
-    val sampleJarFile = getClass.getClassLoader.getResource("uncommons-maths-1.2.2.jar").getFile()
-    sc.addJar(sampleJarFile)
-    val testData = Array((1,1), (1,1), (2,1), (3,5), (2,3), (3,0))
-    val result = sc.parallelize(testData).reduceByKey { (x,y) =>
-      val fac = Thread.currentThread.getContextClassLoader()
-                                    .loadClass("org.uncommons.maths.Maths")
-                                    .getDeclaredMethod("factorial", classOf[Int])
-      val a = fac.invoke(null, x.asInstanceOf[java.lang.Integer]).asInstanceOf[Long].toInt
-      val b = fac.invoke(null, y.asInstanceOf[java.lang.Integer]).asInstanceOf[Long].toInt
-      a + b
-    }.collect()
-    assert(result.toSet === Set((1,2), (2,7), (3,121)))
+    sc.addJar(testJarFile)
+    val testData = Array((1,1))
+    sc.parallelize(testData).foreach { (x) =>
+      if (Thread.currentThread.getContextClassLoader.getResource("FileServerSuite2.txt") == null) {
+        throw new SparkException("jar not added")
+      }
+    }
   }
 
-  ignore ("Dynamically adding JARS on a standalone cluster using local: URL") {
-    sc = new SparkContext("local-cluster[1,1,512]", "test")
-    val sampleJarFile = getClass.getClassLoader.getResource("uncommons-maths-1.2.2.jar").getFile()
-    sc.addJar(sampleJarFile.replace("file", "local"))
-    val testData = Array((1,1), (1,1), (2,1), (3,5), (2,3), (3,0))
-    val result = sc.parallelize(testData).reduceByKey { (x,y) =>
-      val fac = Thread.currentThread.getContextClassLoader()
-                                    .loadClass("org.uncommons.maths.Maths")
-                                    .getDeclaredMethod("factorial", classOf[Int])
-      val a = fac.invoke(null, x.asInstanceOf[java.lang.Integer]).asInstanceOf[Long].toInt
-      val b = fac.invoke(null, y.asInstanceOf[java.lang.Integer]).asInstanceOf[Long].toInt
-      a + b
-    }.collect()
-    assert(result.toSet === Set((1,2), (2,7), (3,121)))
-  }
 }